基本信息:
- 专利标题： Pre-amplifier in focal plane detector array
- 专利标题（中）：焦平面检测器阵列中的前置放大器
- 申请号：US42686 申请日：1987-04-27
- 公开(公告)号：US4791286A 公开(公告)日：1988-12-13
- 发明人： Llewellyn E. Wall
- 申请人： Llewellyn E. Wall
- 申请人地址： CA Costa Mesa
- 专利权人： Irvine Sensors Corporation
- 当前专利权人： Irvine Sensors Corporation
- 当前专利权人地址： CA Costa Mesa
- 主分类号： H03F3/08
- IPC分类号： H03F3/08 ; H01J40/14
摘要：
Circuitry for a focal plane pre-amplifier is disclosed in which the input of the pre-amplifier is switched between the signal from its photo-detector and a connection to ground. During the ground-connected interval, the pre-amplifier transistor is temporarily diode-connected in such a way that the transistor's voltage is stored on a capacitor, which is connected between the incoming photo-detector signal and the input of the pre-amplifier transistor. During the photo-detector connected interval, the voltage stored on the capacitor is subtracted from the voltage signal supplied by the photo-detector.
摘要（中）：
公开了一种用于焦平面前置放大器的电路，其中前置放大器的输入在其光检测器的信号和与地之间的连接之间切换。 在接地间隔期间，前置放大器晶体管暂时二极管连接，使得晶体管的电压存储在电容器上，电容器连接在输入光电检测器信号和前置放大器晶体管的输入端之间 。 在光电检测器连接间隔期间，从光电检测器提供的电压信号中减去存储在电容器上的电压。